code: def test_fast_path_boolean_filter_predicates() -> None:
      df = pl.DataFrame({"colx": ["aa", "bb", "cc", "dd"]})
      assert_frame_equal(
          df.filter(False), pl.DataFrame(schema={"colx": pl.String})
      )
      assert_frame_equal(df.filter(True), df)
  
imports: from datetime import date, datetime, timedelta
  from typing import Any
  import numpy
  import pytest
  import polars
  from polars.testing import assert_frame_equal
  from polars.testing.asserts.series import assert_series_equal
label_desc: Use image node_id 14 for calling a global function with example usage: test_fast_path_boolean_filter_predicates() without return types